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AM5728 Datasheet(PDF) 309 Page - Texas Instruments |
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AM5728 Datasheet(HTML) 309 Page - Texas Instruments |
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309 / 415 page ![]() 1 mii _txclk n (input) miin_txd3 miin_txen, miin_txer − , (outputs) miin_txd0 mii _rxclk n (Input) 1 2 mii _rxd3 n mii _rxdv miin_rxer − , (Inputs) mii _rxd0, n n SPRS8xx_GMAC_MIIRCV_03 309 AM5729, AM5728, AM5726 www.ti.com SPRS953F – DECEMBER 2015 – REVISED MAY 2019 Submit Documentation Feedback Product Folder Links: AM5729 AM5728 AM5726 Timing Requirements and Switching Characteristics Copyright © 2015–2019, Texas Instruments Incorporated Figure 7-53. GMAC Receive Interface Timing MIIn operation Table 7-71 and Figure 7-54 present timing requirements for GMAC MIIn Transmit 10/100Mbit/s. Table 7-71. Switching Characteristics Over Recommended Operating Conditions for GMAC MIIn Transmit 10/100 Mbits/s NO. PARAMETER DESCRIPTION MIN MAX UNIT 1 td(TX_CLK-TXD) Delay time, miin_txclk to transmit selected signals valid 0 25 ns td(TX_CLK-TX_EN) td(TX_CLK-TX_ER) Figure 7-54. GMAC Transmit Interface Timing MIIn operation In Table 7-72 are presented the specific groupings of signals (IOSET) for use with GMAC MII signals. Table 7-72. GMAC MII IOSETs SIGNALS IOSET5 IOSET6 BALL MUX BALL MUX GMAC MII1 mii1_txd3 C5 8 mii1_txd2 D6 8 mii1_txd1 B2 8 mii1_txd0 C4 8 mii1_rxd3 F5 8 mii1_rxd2 E4 8 mii1_rxd1 C1 8 mii1_rxd0 E6 8 mii1_col B4 8 mii1_rxer B3 8 mii1_txer A3 8 mii1_txen A4 8 mii1_crs B5 8 mii1_rxclk D5 8 mii1_txclk C3 8 mii1_rxdv C2 8 GMAC MII0 mii0_txd3 V5 3 |
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